Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantas vitórias teve a série Formula Renault 2.0 NEC e a posição é 18ª?
 ###Tabelas: CREATE TABLE universities (universities_id AUTO_INCREMENT PRIMARY KEY, Members VARCHAR, Country VARCHAR, Year Established INT, World Rank by THE-WUR , 2013 VARCHAR, World Rank by ARWU , 2013 VARCHAR, World Rank by QS , 2013 VARCHAR) CREATE TABLE winners_of_the_virginia_derby_since_1998 (winners_of_the_virginia_derby_since_1998_id AUTO_INCREMENT PRIMARY KEY, Year INT, Winner VARCHAR, Jockey VARCHAR, Trainer VARCHAR, Owner VARCHAR, Distance (Miles) VARCHAR, Time VARCHAR) CREATE TABLE since_1963 (since_1963_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Division VARCHAR, Rank VARCHAR, Avg.Att. VARCHAR, Europe VARCHAR, Top Goalscorer VARCHAR, Goals INT) CREATE TABLE singles:_15_8_titles_7_runner–ups (singles:_15_8_titles_7_runner–ups_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Surface VARCHAR, Opponent in the final VARCHAR, Score in the final VARCHAR) CREATE TABLE career_summary (career_summary_id AUTO_INCREMENT PRIMARY KEY, Season INT, Series VARCHAR, Team VARCHAR, Races INT, Wins INT, Poles INT, F/Laps INT, Podiums INT, Points INT, Position VARCHAR)  
SELECT Wins FROM career_summary WHERE Series = Formula Renault 2.0 NEC AND Position = 18th